fix: fix pre-existing broken test in onees.rs (command → container)

The McpOptions struct no longer has a `command` field — it was renamed
to `container` in a prior refactor. Update the 1ES test to use the
correct field name.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jamesadevine

src/compile/onees.rs

@@ -432,7 +432,7 @@ mod tests {
         mcps.insert(
             "my-tool".to_string(),
             McpConfig::WithOptions(McpOptions {
-                command: Some("node".to_string()),
+                container: Some("node:20-slim".to_string()),
                 ..Default::default()
             }),
         );